Miller CB-8 Owner's manual

Miller
Brand
Miller
Model
CB-8
Type
Owner's manual

This manual is also suitable for

June
1987
FORM:
OM-1
094
OWN
ERS
MANUAL
MILLER
ELECTRIC
MFG.
CO.
718
S.
BOUNDS
ST
P.O.
Box
1079
APPLETON,
WI
54912
USA
ADDITIONAL
COPY
PRICE
25
CENTS
Effective
With
Style
No.
JF-1O
MODEL
CB-8
CB-14
IMPORTANT:
______
Read
and
understand
the
entire
Contents
of
both
this
manual
and
the
power
source
manual
used
with
this
unit,
with
special
emphasis
on
the
safety
material
throughout
both
manuals,
before
installing,
operating,
or
maintaining
this
equipment.
This
unit
and
these
instructions
are
for
use
only
by
persons
trained
and
experienced
in
the
safe
operation
of
welding
equipment.
Do
not
allow
untrained
persons
to
install,
operate,
or
maintain
this
unit.
Contact
your
distributor
if
you
do
not
fully
understand
these
instructions.
NWSA
CODE
NO.
4579
PRINTED
IN
U.S.A.
LIMITED
WARRANTY
-
Subject
to
the
terms
and
condi
tions
hereof,
Miller Electric
Mfg.
Co.,
Appleton,
Wisconsin
warrants
to
its
Distributor/Dealer
that
all
new
and unused
Equipment
furnished
by
Miller
is
free
from
defect
in
workman
ship
and
material
as
of
the
time
and
place
of
delivery
by
Miller.
No
warranty
is
made
by
Miller
with
respect
to
engines,
trade
accessories
or
other items
manufactured
by
others.
Such
engines,
trade
accessories
and
other
items
are
sold
subject
to
the
warranties
of
their
respective
manufacturers,
if
any
.
All
engines
are
warranted
by
their
manufacturer
for
one
year
from
date
of
original
purchase,
except
Tecumseh
engines
which
have
a
two
year
warranty.
Except
as
specified
below,
Millers
warranty
does
not
apply
to
components
having
normal
useful
life
of
less
than
one
(1)
year,
such
as
spot
welder
tips,
relay
and
contactor
points,
MILLERMATIC
parts
that
come
in
contact
with
the
welding
wire
including
nozzles
and
nozzle
insulators
where
failure
does
not
result
from
defect
in
workmanship
or
material.
Miller
shall
be
required
to
honor
warranty
claims
on
war
ranted
Equipment
in
the
event
of
failure
resulting
from
a
defect
within
the
following
periods
from
the
date
of
delivery
of
Equip
ment
to
the
original
user:
Arc
welders,
power
sources,
robots,
and
components
.
1
year
Load
banks
1
year
Original
main
power
rectifiers
3
years
(labor
-
1
year
only)
4.
All
welding
guns,
feeder/guns
and
plasma
torches...
90
days
5.
All
other
Millermatic
Feeders
1
year
6.
Replacement
or
repair
parts,
exclusive
of
labor
..
60
days
7.
Batteries
6
months
In
the
case
of
Millers
breach
of
warranty
or
any
other
duty
with
respect
to
the
quality
of
any
goods,
the
exclusive
remedies
therefore
shall
be,
at
Millers
option
(1)
repair
or
(2)
replacement
or,
where
authorized
in
writing
by
Miller
in
appropriate
cases,
(3)
the
reasonable
cost
of
repair
or
replacement
at
an
authorized
Miller
service
station
or
(4)
payment
of
or
credit
for
the
purchase
price
(less
reasonable
depreciation
based
upon
actual
use)
upon
return
of
the
goods
at
Customers
risk
and
expense.
MILLERs
option
of
repair
or
replacement
will
be
F.O.B.,
Factory,
at
Appleton,
Wisconsin,
or
F.O.B.,
at
a
MILLER
authorized
service
facility,
therefore,
no
compensation
for
transportation
costs
of
any
kind
will
be
allowed.
Upon
receipt
of
notice
of
apparent
defect
or
failure,
Miller
shall
instruct
the
claimant
on
the
warranty
claim
procedures
to
be
followed.
ANY
EXPRESS
WARRANTY
NOT
PROVIDED
HEREIN
AND
ANY
IMPLIED
WARRANTY,
GUARANTY
OR
REPRESENTA
TION
AS
TO
PERFORMANCE,
AND
ANY
REMEDY
FOR
BREACH
OF
CONTRACT
WHICH,
BUT
FOR
THIS
PROVISION,
MIGHT
ARISE
BY
IMPLICATION,
OPERATION
OF
LAW,
CUSTOM
OF
TRADE
OR
COURSE
OF
DEALING,
INCLUDING
ANY
IMPLIED
WARRANTY
OF
MERCHANTABILITY
OR
OF
FITNESS
FOR
PARTICULAR
PURPOSE,
WITH
RESPECT
TO
ANY
AND
ALL
EQUIPMENT
FURNISHED
BY
MILLER
IS
EX
CLUDED
AND
DISCLAIMED
BY
MILLER.
EFFECTIVE:
OCTOBER
1,
1986
LIMITED
WARRANTY
~
This
warranty
supersedes
all
previous
MILLER
warranties
and
is
exclusive
with
no
other
guarantees
or
warranties
expressed
or
implied.
1
3.
.
EXCEPT
AS
EXPRESSLY
PROVIDED
BY
MILLER
IN
WRITING,
MILLER
PRODUCTS
ARE
INTENDED
FOR
1.
ULTIMATE
PURCHASE
BY
COMMERCIAL/INDUSTRIAL
~
USERS
AND
FOR
OPERATION
BY
PERSONS
TRAINED
AND
EXPERIENCED
IN
THE
USE
AND
MAINTENANCE
OF
WELDING
EQUIPMENT
AND
NOT
FOR
CONSUMERS
OR
4j
provided
that
Miller
is
notified
in
writing
within
thirty
(30)
days
CONSUMER
USE.
MILLERS
WARRANTIES
DO
NOT
EXTEND
~
of
the
date
of
such
failure.
TO,
AND
NO
RESELLER
IS
AUTHORIZED
TO
EXTEND
As
a
matter
of
general
policy
only,
Miller
may
honor
claims
MILLERS
WARRANTIES
TO,
ANY
CONSUMER.
submitted
by
the
original
user
within
the
foregoing
periods.
~.
~
~.
.~,
.~
~.
~.,
~.
~
~.
,,~
~.
,~
.
ERRATA
SHEET
After
this
manual
was
printed,
refinements
in
equipment
design
occurred.
This
sheet
lists
exceptions
to
data
appearing
later
in
this
manual.
AMENDMENT
TO
SECTION
2
-
INSTALLATION
FILE
COPY
RETURN
TO
FOLDER
Add
the
following
WARNING
block
at
the
beginning
of
entire
SECTION
2
-
INSTALLATION
__________
ELECTRIC
SHOCK
can
kill.
£10
not
touch
live
electrical
parts.
Disconnect
equipment
input
power
conductors
from
deenergized
supply
line
BEFORE
moving
unit.
WARNING
Effective
With
Style
No.
JJ-9
Item
Part
Replaced
No.
No.
With
Description
Quantity
17
098
765
118
763
BRACKET,
mtg-lower
jack
1
18
110395
118675
JACK,hydraulic4ton
1
19
115
582
118
973
HANDLEW/GRIP,jack(consistingof)
1
604 423
.
GRIP,
handle
1
21
098
764
118
762
BRACKET,
mtg-upper
jack
1
BE
SURE
TO
PROVIDE
MODEL
AND
SERIAL
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
Nov.
24,
1987
FORM:
OM-1094
SECTION
1
-
INTRODUCTION
Model
CB-8
CB-14
Boom
Length
5
ft.
(1.52
m)
To
8
ft.
(2.44
m)
8
ft.
(2.44
m)
To
14
ft.
(4.27
m)
Vertical
Lift
15
Below
Horizontal
To
600
Above
15
Below
Horizontal
To
60
Above
Swing
360 360
Maximum
Height
At
Full
Lift
&
Extension
With
4
ft.
(1
.22
m)
post
13
ft.
(3.96
m)
18
ft.
(5.49
m)
Capacity
~t
Full
200
lbs.
(90.7
kg)
200
lbs.
(90.7
kg)
Weight
Net
135
lbs.
(61
kgs)
Ship
147
lbs.
(67
kgs)
Net
Ship
Figure
1-1.
Specifications
1
-
1.
GENERAL
INFORMATION
AND
SAFETY
A.
General
ment.
B.
Safety
and
CAUTION
WARNING
______
______
statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
serious
personal
injury
or
loss
of
life.
Weld
and
control
cables
can
be
routed
in
the
boom
to
the
wire
feeder.
The
boom
power
unit
handle
can
be
positioned
on
either
side
or
toward
the
front
of
the
unit
to
accomodate
the
operator.
Information
presented
in
this
manual,
and
on
various
labels,
tags,
and
plates
on
the
unit
pertains
to
equip
ment
design,
installation,
operation,
maintenance,
and
troubleshooting
which
should
be
read,
understood,
and
followed
for
the
safe
and
effective
use
of
this
equip-
The
installation,
operation,
maintenance,
and
troubleshooting
of
arc
welding
equipment
requires
practices
and
procedures
which
ensure
personal
safety
and
the
safety
of
others.
Therefore,
this
equipment
is
to
be
installed,
operated,
and
maintained
only
by
qualified
persons
in
accordance
with
this
manual
and
all
ap
plicable
codes
such
as,
but
not
limited
to,
those
listed
at
the
end
of
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Source
in
the
welding
power
source
Owners
Manual.
Safety
Instructions
specifically
pertaining
to
this
unit
appear
throughout
this
manual
highlighted
by
the
signal
words
________
___________
which
identify
different
levels
of
hazard.
_________
statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
minor
personal
injury
or
damage
to
this
equipment.
A
third
signal
word,
~
highlights
instruc
tions
which
need
special
emphasis
to
obtain
the
most
efficient
operation
of
this
equipment.
1
-
2.
RECEIVING-HANDLING
-
Prior
to
installing
this
equipment,
clean
all
packing
material
from
around
the
unit
and
carefully
inspect
for
any
damage
that
may
have
ocurred
during
shipment.
Any
claims
for
loss
or
damage
that
may
have
occurred
in
transit
must
be
filed
by
the
purchaser
with
the
carrier.
A
copy
of
the
bill
of
lading
will
be
furnished
by
the
manufacturer
on
re
quest
if
occasion
to
file
claim
arises.
When
requesting
information
concerning
this
equip
ment,
it
is
essential
that
Model
Description
and
Serial
(or
Style)
Numbers
of
the
equipment
be
supplied.
1
-
3.
DESCRIPTION
-
This
unit
is
a
hydraulically
operated
boom
allowing
vertical
lift
from
150
below
horizontal
to
60
above
horizontal,
360
swing,
and
boom
extension
from
5
ft
(1
.52
m)
to
8
ft
(2.44
m)
for
CB-8
models,
and
from
8
ft
(2.44
m)
to
14
ft
(4.27
m)
for
CB-14
models
at
1
ft
(0.31
m)
intervals.
WARNING
CAUTION
OM-1094
Page
1
SECTION
2
-
INSTALLATION
2
-
1.
LOCATION
-
A
suitable
location
for
this
unit
allows
room
for
the
boom
to
swing
horizontally
in
the
desired
arc
and
to
pivot
upward
to
the
desired
angle.
2
-2.
BOOM
INSTALLATION
IMPORTANT
______________
The
boom
swivel
bearing
is
separate
on
CB-8
models,
but
is
an
integral
part
of
the
boom
post
on
CB-
14
models.
If
instability
is
present,
add
ballast
to
the
suppor
ting
device
or
shorten
the
boom
extension
or
reduce
the
weight
load
on
the
boom.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
Swingpak
pipe
post
(CB-8
models
only).
2.
Install
boom
in
pipe
post
as
instructed
in
Figure
2-1.
A.
Existing
Support
Pipe
(Customer
Supplied)
WARNING:
________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Use
2-1/2
in.
(63.5
mm)
diameter,
Schedule
40
pipe
as
support
pipe
for
CB-8
models.
Use
5
in.
(127
mm)
diameter,
Schedule
40
pipe
as
suport
pipe
for
CB-
14
models.
Securely
mount
support
pipe
to
a
structure
that
can
support
the
weight
of
the
boom
and
wire
feeder
when
the
boom
is
in
the
horizontal
posi
tion.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
support
pipe
(CB-8
models
only).
2.
Install
boom
in
support
pipe
as
instructed
on
Figure
2-1.
B.
Post
Support
(Optional)
WARNING
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Securely
mount
post
support
to
a
structure
that
can
support
the
weight
of
the
boom
and
wire
feeder
when
the
boom
is
in
the
horizontal
posi
tion.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
post
support
(CB-8
models
only).
2
-
3.
POWER
UNIT
HANDLE
POSITIONING
(Figure
2-1)
WARNING
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Ensure
that
safety
catch
(see
Figure
2-1)/s
proper
ly
engaged
before
repositioning
power
unit.
The
power
unit
handle
on
this
unit
can
be
repositioned
by
removing
the
pin
securing
the
power
unit
handle
to
the
swivel
and
rotating
the
power
unit
handle
to
the
front
or
opposite
side.
Replace
pin
and
secure
with
cot
ter
pins.
2
-
4.
HANGING
BAIL
EXTENSION
(Figure
2-1)
-
Depending
on
the
size
of
the
wire
reel
and
the
degree
of
vertical
lift
of
the
boom,
an
extension
may
be
required
to
position
the
wire
reel
further
away
from
the
boom.
Install
the
extension
to
the
boom
as
instructed
in
Figure
2-1.
2
-
5.
BOOM
LENGTH
ADJUSTMENT
(Figure
2-1)
-
Boom
length
adjustment
can
be
made
in
1
ft.
(0.31
m)
increments
from
5
ft.
(1
.52
m)
to
8
ft.
(2.44
m)
for
CB-8
models,
and
from
8
ft.
(2.44
mm)
to
14
ft.
(4.27
m)
for
CB-14
models.
Remove
any
load
from
the
end
of
the
boom.
Remove
the
securing
bolts
on
each
side
of
the
boom.
Slide
the
secondary
boom
section
to
the
desired
length
and
secure.
2.
Install
boom
in
post
support
as
instructed
on
Figure
2-1.
C.
Base
Support
(Optional)
WARNING
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Use
1/2
in.
(13
mm)
diameter
SAE
grade
5
bolts
as
a
minimum
for
mounting
base
support.
Use
equivalent
strength,
non-corrosive
bolts
if
base
is
mounted
in
an
extremely
damp
environment.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
pipe
post
(CB-8
models
only).
2.
Install
boom
in
base
support
as
instructed
on
Figure
2-1.
D.
Swingarc
Base
(Optional)
WARNING:
INSUFFICIENT
STABILITY
of
the
supporting
device
will
result
in
tipping
which
can
cause
serious
personal
injury
and
equipment
damage.
OM-1094
Page2
Engage
safety
catch.
Close
re/ease
valve.
WARNING
2
-
6.
BOOM
HEIGHT
ADJUSTMENT
(Figure
2-1)
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
equipment.
Keep
all
personnel
clear
of
boom
until
properly
locked
into
position.
Follow
these
step-by-step
procedures
to
position
and
lock
boom.
TO
RAISE:
Ensure
release
valve
is
closed.
Raise
boom
to
desired
height.
Open
release
valve
slightly,
allow
safety
catch
to
engage,
and
close
release
valve.
TO
LOWER:
Ensure
re/ease
valve
is
closed.
Raise
boom
slightly
and
disengage
safety
catch.
Open
release
valve
slightly
and
lower
boom
SL
OWL
Y
to
desired
height.
Filler
Screw
Step
No.
2:
Install
handle
end
of
power
unit
to
swivel
with
handle
facing,
desired
direction
using
3-1/8
in.
(79.4
mm)
long
Step
No.
9:
Install
hanging
bail
on
end
of
extension,
or
on
end
of
bootm
using
2-11/16
in.
(68.3
mm)
long
pin.
Figure
2-1.
Boom
Installation
SECTION
3
MAINTENANCE
TD-082
258
II~IIs]:If~I~
Periodically
inspect
the
labels
on
this
unit
for
legibility.
All
precautionary
labels
must
be
main
tained
in
a
clearly
readable
state
and
replaced
when
necessary.
See
the
Parts
List
for
precautionary
label
part
numbers.
3
-
1.
POWER
UNITS
-
Through
use
the
level
of
hydralic
oil
in
the
power
unit
cylinder
may
eventually
drop
reducing
the
lifting
height
of
the
boom.
Add
oil
as
follows:
1.
Remove
hinge
pins
securing
power
unit
to
boom.
2.
Set
jack
in
upright
position
on
a
level
surface
and
close
the
ram.
3.
Remove
filler
screw
in
the
jack
(see
Figure
2-1)
and
add
hydralic
fluid
to
the
filler
screw
level.
4.
Replace
filler
screw
and
reinstall
jack.
3-2.
LUBRICATION
EXCESSIVE
FRICTION
.can
damage
equipment.
Periodically
grease
boom
support
to
prevent
wear.
Periodically
oil
boom
hinge
pins
to
ensure
free
move
ment.
WARNING
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Be
sure
the
boom
is
properly
supported
or
locked
into
position
when
assembly,
adjustment,
or
maintenance
procedures
are
performed.
Step
No.
7:
Insert
secondary
boom
into
primary
boom
and
secure
at
desired
interval
using
1/2.13
x
1-1/2
in.
bolts
and
associated
hardware.
Step
No.
6:
Install
ratchet
to
primary
boom
using
1-15/16
in.
(49.2
mm)
long
pin.
Step
No.
5:
Install
rachet
rack
to
swivel
using
2-11/16
in.
(68.3
mm)
long
pin.
Step
No.
8:
Install
hanging
ball
extension
on
end
of
secondary
boom,
if
desired,
usIng
3-1/8
in.
(79.4
mm)
long
pin.
N
Step
No.
3:
Install
primary
boom
on
swivel
using
4-1/8
in.
(104.8
mm)
long
pin
for
CB-8
models,
or
5-1/8
in.
(130.2
n
long
pin
for
CB-14
models.
Step
No.
4:
Install
ram
end
of
power
unit
to
primary
boom
us
ing
3-1/8
in.
(79.4
mm)
long
pin.
pin.
No.
1:
pipe
post.
Bearing
(CB-8
Models
Only)
Install
swivel
in
OM-1094
Page3
0
C
CD
-v
cD
/
8
4
27
26
25
Includes
Item
19
24-
17
TD-082
233
Figure
A
-
Complete
Assembly
Quantity
Item
Part
Model
No.
No.
Description
CB-8ICB-14
Figure
A
Complete
Assembly
1
070
974
RATCHET,
catch
-
safety
1
1
2
605946
PIN,
cotterl/8x1
14
14
3
070963
PIN,
hingel-15/16
1
1
4
070
984
BOOM,
section
-
main
1
4
083
652
BOOM,
section
-
main
1
5
601
976
SCREW,
cap-hex
hdl/2-13x1-1/2
2
2
6
602
247
WASHER,
flat
-
SAE
1/2
2
4
7
602
216
WASHER,
Iock-split3/8
2
2
8
601879
NUT,
hex-fuIll/2-13
2
2
9
070
971
BOOM,
secondary
1
9
083 653
BOOM,
secondary
1
10
070 966
PIN,
hinge
3-1/8
3 3
11
070
967
EXTENSION,
boom
1 1
12
070964
PIN,
hinge2-11/16
2
2
13
058
435
HANGING
BAIL
(consisting
of)
1
1
14
072 064
.
BRACKET,
lifting
1
1
15
601
965
.
SCREW,
cap
-
hex hd
3/8-16
x
1
2
2
16
602 213
.
WASHER,
lock
-
split
3/8
2
2
17
098
765
BRACKET,
mtg
-
lower
jack
1
1
18
110
395
JACK,
hydraulic
1-1/2
ton
(consisting
of)
1
1
19
115
582
.
HANDLE,
jack
1
1
20
602
178
SCREW,
set-sockethd
1/4-20
x3/8
4
4
21
098
764
BRACKET,
mtg
-
upper
jack
1 1
22
070
829
LABEL,
warning
-
falling
boom
may
be
etc
1
1
23
075
403
BEARING,
thrust
-
boom
1
24
+070
998
MOUNTING
POST,
boom
1
24
+083
650
MOUNTING
POST,
boom
1
25
070
982
PAWL,
safety
catch
1
1
26
070
981
ENCLOSURE,
ratchet
1
1
27
019603
KNOB
1
1
28
070
983
LEVER,
release
-
safety
catch
1
1
29
044
451
SPRING,
1/8
x
1-1/2
1
1
30
049574
PIN,springl/8x1-1/2
1
1
31
070965
PIN,
hinge4-1/8
1
31
083659
PIN,
hinge5-1/8
1
32
NAMEPLATE
(order
by
model
number)
1
115
583
KIT,
repair-jack
hydraulic
1
1
Optional
Parts
075
390
POST,
support
-
boom
1
075 078
POST,
4
ft
w/o
base
1
079
215
POST,
6
ft
w/o
base
-
support
boom
1
079
217
POST,
6
ft
w/o
base
-
support
boom
1
079
214
BASE,
6
ft
18
in.
base
-
support
boom
1
079
216
BASE,
6
ft.
24
in.
base
-
support
boom
1
079591
BASE,4ft
1
078
264
BOOM,
4
ft
1
080 329
BASE,
swing
pak
1
041
384
BASE,
swing
pakl6
1
080
157
FITTING,
grease
1/4
NPT
1
+
When
ordering
a
component
originally
displaying
a
precautionary
label,
the
label
should
also
be
ordered.
BE
SURE TO
PROVIDE
MODEL
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
OM-1094
Page
5
June
1987
FORM:
OM-1094
OWN
ERS
MANUAL
MILLER
ELECTRIC
MFG.
CO.
718
S.
BOUNDS
SI,
P.O.
Box
1079
APPLETON.
WI
54912
USA
Effective
With
Style
No.
JF-1O
MODEL
CB-8
CB-14
IMPORTANT
__________
Read
and
understand
the
entire
contents
of
both
this
manual and
the
power
source
manual
used
with
this
unit,
with
special
emphasis
on
the
safety
material
throughout
both
manuals.
before
installing,
operating,
or
maintaining
this
equipment.
This
unit
and
these
instructions
are
for
use
only
by
persons
trained
and
experienced
in
the
safe
operation
of
welding
equipment.
Do
not
allow
untrained
persons
to
install,
operate,
or
maintain
this
unit.
Contact
your
distributor
if
you
do
not
fully
understand
these
instructions.
PRINTED
IN
U.S.A.
LIMITED
WARRANTY
-
Subject
to
the
terms
and
condi
tions
hereof,
Miller
Electric
Mfg.
Co..
Appleton,
Wisconsin
warrants
to
its
Distributor/Dealer
that
all
new
and
unused
Equipment
furnished
by
Miller
is
free
from
defect
in
workman
ship
and
material
as
of
the
time
and
place
of
delivery
by
Miller.
No
warranty
is
made
by
Miller
with
respect
to
engines,
trade
accessories
or
other
items
manufactured
by
others.
Such
engines,
trade
accessories
and
other
items
are
sold
subject
to
the
warranties
of
their
respective
manufacturers,
if
any
.
All
engines
are
warranted
by
their
manufacturer
for
one
year
from
date
of
original
purchase,
except
Tecumseh
engines
which
have
a
two
year
warranty.
Except
as
specified
below,
Millers
warranty
does
not
apply
to
components
having
normal
useful
life
of
less
than
one
(1)
year,
such
as
spot
welder
tips,
relay
and
contactor
points,
MILLERMATIC
parts
that
come
in
contact
with
the
welding
wire
including
nozzles
and
nozzle
insulators
where
failure
does
not
result
from
defect
in
workmanship
or
material.
Miller
shall
be
required
to
honor
warranty
claims
on
war
ranted
Equipment
in
the
event
of
failure
resulting
from
a
defect
within
the
following
periods
from
the
date
of
delivery
of
Equip
ment
to
the
original
user:
1.
Arc
welders,
power
sources,
robots,
and
components
.
1
year
2.
Load
banks
1
year
3.
Original
main
power
rectifiers
3
years
(labor-
1
year
only)
4.
All
welding
guns,
feeder/guns
and
plasma
torches...
90
days
5.
All
other
Millermatic
Feeders
1
year
6.
Replacement
or
repair
parts,
exclusive
of
labor
..
60
days
7.
Batteries
6
months
provided
that
Miller
is
notif
ied
in
writing
within
thirty
(30)
days
of
the
date
of
such
failure.
As
a
matter
of
general
policy
only,
Miller
may
honor
claims
submitted
by
the
original
user
within
the
foregoing
periods.
In
the
case
of
Millers
breach
of
warranty
or
any
other
duty
with
respect
to
the
quality
of
any
goods,
the
exclusive
remedies
therefore
shall
be,
at
Millers
option
(1)
repair
or
(2)
replacement
or,
where
authorized
in
writing
by
Miller
in
appropriate
cases,
(3)
the
reasonable
cost
of
repair
or
replacement
at
an
authorized
Miller
service
station
or
(4)
payment
of
or
credit
for
the
purchase
price
(less
reasonable
depreciation
based
upon
actual
usel
upon
return
of
the
goods
at
Customers
risk
and
expense.
MILLERs
option
of
repair
or
replacement
will
be
F.O.B.,
Factory,
at
Appleton,
Wisconsin,
or
FOB.,
at
a
MILLER
authorized
service
facility,
therefore,
no
compensation
for
transportation
costs
of
any
kind
will
be
allowed.
Upon
receipt
of
notice
of
apparent
defect
or
failure,
Miller
shall
instruct
the
claimant
on
thewarranty
claim
procedures
to
be
followed.
ANY
EXPRESS
WARRANTY
NOT
PROVIDED
HEREIN
AND
ANY
IMPLIED
WARRANTY,
GUARANTY
OR
REPRESENTA
TION
AS
TO
PERFORMANCE,
AND
ANY
REMEDY
FOR
BREACH
OF
CONTRACT
WHICH,
BUT
FOR
THIS
PROVISION,
MIGHT
ARISE
BY
IMPLICATION,
OPERATION
OF
LAW,
CUSTOM
OF
TRADE
OR
COURSE
OF
DEALING,
INCLUDING
ANY
IMPLIED
WARRANTY
OF
MERCHANTABILITY
OR
OF
FITNESS
FOR
PARTICULAR
PURPOSE,
WITH
RESPECT
TO
ANY
AND
ALL
EQUIPMENT
FURNISHED
BY
MILLER
IS
EX
CLUDED
AND
DISCLAIMED
BY
MILLER.
EXCEPT
AS
EXPRESSLY
PROVIDED
BY
MILLER
IN
WRITING,
MILLER
PRODUCTS
ARE
INTENDED
FOR
ULTIMATE
PURCHASE
BY
COMMERCIAL/INDUSTRIAL
USERS
AND
FOR
OPERATION
BY
PERSONS
TRAINED
AND
EXPERIENCED
IN
THE
USE
AND
MAINTENANCE
OF
WELDING
EQUIPMENT
AND
NOT
FOR
CONSUMERS
OR
CONSUMER
USE.
MILLERS
WARRANTIES
DO NOT
EXTEND
TO,
AND
NO
RESELLER
IS
AUTHORIZED
TO
EXTEND
MILLERS
WARRANTIES
TO,
ANY
CONSUMER.
LIMITED
WARRANTY
EFFECTIVE:
OCTOBER
1,
1986
~
This
warranty
supersedes
all
previous
MILLER
warranties
and
is
exclusive
with
no
other
guarantees
or
warranties
expressed
or
implied.
1~
;.4.
*
*
*
*
*
*
SECTION
1
-
INTRODUCTION
Model
CB-8
CB-14
Boom
Length
5
ft.
(1.52
m)
To
8
ft.
(2.44
m)
8
ft.
(2.44
m)
To
14
ft.
(4.27
m)
Vertical
Lift
15
Below
Horizontal
To
60
Above
15
Below
Horizontal
To
600
Above
Swing
360
360
Maximum
Height
At
Full
Lift
&
Extension
With
4
ft.
(1.22
m)
post
13
ft.
(3.96
m)
18
ft.
(5.49
m)
Capacity
tFull
200
lbs.
(90.7
kg)
200
lbs.
(90.7
kg)
Weight
Net
135
lbs.
(61
kgs)
Ship
147
lbs.
(67
kgs)
Net
Ship
Figure
1-1.
Specifications
1
-
1.
GENERAL
INFORMATION
AND
SAFETY
A.
General
B.
Safety
CAUTION
CAUTION
IMPORTANT
WARNING
____________statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
serious
personal
injury
or
loss
of
life.
Weld
and
control
cables
can
be
routed
in
the
boom
to
the
wire
feeder.
The
boom
power
unit
handle
can
be
positioned
on
either
side
or
toward
the
front
of
the
unit
to
accomodate
the
operator.
Information
presented
in
this
manual,
and
on
various
labels,
tags,
and
plates
on
the
unit
pertains
to
equip
ment
design,
installation,
operation,
maintenance,
and
troubleshooting
which
should
be
read,
understood,
and
followed
for
the
safe
and
effective
use
of
this
equip
ment.
The
installation,
operation,
maintenance,
and
troubleshooting
of
arc
welding
equipment
requires
practices
and
procedures
which
ensure
personal
safety
and
the
safety
of
others.
Therefore,
this
equipment
is
to
be
installed,
operated,
and
maintained
only
by
qualified
persons
in
accordance
with
this
manual
and
all
ap
plicable
codes
such
as,
but
not
limited
to,
those
listed
at
the
end
of
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Source
in
the
welding
power
source
Owners
Manual.
Safety
Instructions
specifically
pertaining
to
this
unit
appear
throughout
this
manual_highlighted
by
the
signal
words
ITj~
1k1iIk~ICI
and
___________
which
identify
different
levels
of
hazard.
statements
include
installation,
operating,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
minor
personal
injury
or
damage
to
this
equipment.
A
third
signal
word,
,
highlights
instruc
tions
which
need
special
emphasis
to
obtain
the
most
efficient
operation
of
this
equipment.
1
-
2.
RECEIVING-HANDLING
-
Prior
to
installing
this
equipment,
clean
all
packing
material
from
around
the
unit
and
carefully
inspect
for
any
damage
that
may
have
ocurred
during
shipment.
Any
claims
for
loss
or
damage
that
may
have
occurred
in
transit
must
be
filed
by
the
purchaser
with
the
carrier.
A
copy
of
the
bill
of
lading
will
be
furnished
by
the
manufacturer
on
re
quest
if
occasion
to
file
claim
arises.
When
requesting
information
concerning
this
equip
ment,
it
is
essential
that
Model
Description
and
Serial
(or
Style)
Numbers
of
the
equipment
be
supplied.
1
-
3.
DESCRIPTION
-
This
unit
is
a
hydraulically
operated
boom
allowing
vertical
lift
from
150
below
horizontal
to
60
above
horizontal,
360
swing,
and
boom
extension
from
5
ft
(1
.52
m)
to
8
ft
(2.44
m)
for
CB-8
models,
and
from
8
ft
(2.44
m)
to
14
ft
(4.27
m)
for
CB-14
models
at
1
ft
(0.31
m)
intervals.
OM-1094
Page
1
SECTION
2
-
INSTALLATION
2
-
1.
LOCATION
-
A
suitable
location
for
this
unit
allows
room
for
the
boom
to
swing
horizontally
in
the
desired
arc
and
to
pivot
upward
to
the
desired
angle.
2
-2.
BOOM
INSTALLATION
IMPORTANT
______________
The
boom
swivel
bearing
is
separate
on
CB-8
models,
but
is
an
integral
part
of
the
boom
post
on
CB-14
mode/s.
If
instability
is
present,
add
ballast
to
the
suppor
ting
device
or
shorten
the
boom
extension
or
reduce
the
weight
load
on
the
boom.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
Swingpak
pipe
post
(CB-8
models
only).
2.
Install
boom
in
pipe
post
as
instructed
in
Figure
2-1.
A.
Existing
Support
Pipe
(Customer
Supplied)
~
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Use
2-1/2
in.
(63.5
mm)
diameter,
Schedule
40
pipe
as
support
pipe
for
CB-8
models.
Use
5
in.
(127mm)
diameter,
Schedule
40
pipe
as
suport
pipe
for
CB-
14
models.
Securely
mount
support
pipe
to
a
structure
that
can
support
the
weight
of
the
boom
and
wire
feeder
when
the
boom
is
in
the
horizontal
posi
tion.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
support
pipe
(CB-8
models
only).
2.
Install
boom
in
support
pipe
as
instructed
on
Figure
2-1.
B.
Post
Support
(Optional)
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Securely
mount
post
support
to
a
structure
that
can
support
the
weight
of
the
boom
and
wire
feeder
when
the
boom
is
in
the
horizontal
posi
tion.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
post
support
(CB-8
models
only).
WARNING
2
-
3.
POWER
UNIT
HANDLE
POSITIONING
(Figure
2-1)
WARNING:
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Ensure
that
safety
catch
(see
Figure
2-1)
is
proper
ly
engaged
before
repositioning
power
unit.
The
power
unit
handle
on
this
unit
can
be
repositioned
by
removing
the
pin
securing
the
power
unit
handle
to
the
swivel
and
rotating
the
power
unit
handle
to
the
front
or
opposite
side.
Replace
pin
and
secure
with
cot
ter
pins.
2
-
4.
HANGING
BAIL
EXTENSION
(Figure
2-1)
-
Depending
on
the
size
of
the
wire
reel
and
the
degree
of
vertical
lift
of
the
boom,
an
extension
may
be
required
to
position
the
wire
reel
further
away
from
the
boom.
Install
the
extension
to
the
boom
as
instructed
in
Figure
2-1.
2
-
5.
BOOM
LENGTH
ADJUSTMENT
(Figure
2-1)
-
Boom
length
adjustment
can
be
made
in
1
ft.
(0.31
m)
increments
from
5
ft.
(1.52
m)
to
8
ft.
(2.44
m)
for
CB-8
models,
and
from
8
ft.
(2.44
mm)
to
14
ft.
(4.27
m)
for
CB-14
models.
Remove
any
load
from
the
end
of
the
boom.
Remove
the
securing
bolts
on
each
side
of
the
boom.
Slide
the
secondary
boom
section
to
the
desired
length
and
secure.
2.
Install
boom
in
post
support
as
instructed
on
Figure
2-1.
C.
Base
Support
(Optional)
WARNING:
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
to
equipment.
Use
1/2
in.
(13
mm)
diameter
SAE
grade
5
bolts
as
a
minimum
for
mounting
base
support.
Use
equivalent
strength,
non-corrosive
bolts
if
base
is
mounted
in
an
extremely
damp
environment.
1.
Place
supplied
bearing
(see
Figure
2-1)
on
top
of
pipe
post
(CB-8
models
only).
2.
Install
boom
in
base
support
as
instructed
on
Figure
2-1.
D.
Swingarc
Base
(Optional)
WARNING
_________
INSUFFICIENT
STABILITY
of
the
supporting
device
will
result
in
tipping
which
can
cause
serious
personal
injury
and
equipment
damage.
WARNING
2
-6.
BOOM
HEIGHT
ADJUSTMENT
(Figure
2-1)
___________
FALLING
BOOM
can
cause
serious
personal
injury
and
damage
equipment.
Keep
all
personnel
c/ear
of
boom
until
properly
locked
into
position.
Follow
these
step-by-step
procedures
to
position
and
lock
boom.
TO
RAISE:
Ensure
re/ease
valve
is
closed.
Raise
boom
to
desired
height.
Open
re/ease
valve
slightly,
allow
safety
catch
to
engage,
and
close
release
valve.
TO
LOWER:
Ensure
release
valve
is
closed.
Raise
boom
slightly
and
disengage
safety
catch.
Open
release
valve
slightly
and
lower
boom
SL
OWL
V
to
desired
height.
Engage
safety
catch.
Close
release
valve.
OM-1094
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Miller CB-8 Owner's manual

Miller
Brand
Miller
Model
CB-8
Type
Owner's manual
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